EP 3537328 B1 20201021 - DATA ACCESS AUTHENTICATION
Title (en)
DATA ACCESS AUTHENTICATION
Title (de)
DATENZUGRIFFSAUTHENTIFIZIERUNG
Title (fr)
AUTHENTIFICATION D'ACCÈS À DES DONNÉES
Publication
Application
Priority
EP 18159886 A 20180305
Abstract (en)
[origin: EP3537328A1] A computer implemented method of a network connected data storage system, the method comprising: receiving, via the network, and storing a data set including a plurality of data items encrypted using an index-based searchable encryption scheme, wherein the searchable encryption scheme has associated a server index and a client index; receiving, via the network, and storing a set of hashed information for each of a plurality of queries of the data set, each item of hashed information including a hash of a query and a hash of an expected result of executing the query using the server index; receiving, via the network, a query from a data requester to retrieve a set of data items from the data store and a hash of an expected result of executing the received query using the server index; generating a result of the received query for the data set based on the server index; and responsive to a comparison of a hash of the generated result, the received hash of the expected result, and the hashes of expected results in the set of hashed information, granting access for the requester to the data set.
IPC 8 full level
G06F 21/62 (2013.01)
CPC (source: EP US)
G06F 16/152 (2018.12 - US); G06F 16/1824 (2018.12 - US); G06F 16/9538 (2018.12 - US); G06F 21/6218 (2013.01 - EP US); H04L 9/0643 (2013.01 - US); H04L 63/10 (2013.01 - US); H04L 67/1097 (2013.01 - US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 3537328 A1 20190911; EP 3537328 B1 20201021; US 10951708 B2 20210316; US 2019273781 A1 20190905
DOCDB simple family (application)
EP 19160215 A 20190301; US 201916292683 A 20190305